г) \( \frac{51}{100} + x = 3 \frac{29}{50} \)

Решение:

\( x = 3 \frac{29}{50} - \frac{51}{100} \)

\( x = \frac{179}{50} - \frac{51}{100} \)

\( x = \frac{358}{100} - \frac{51}{100} \)

\( x = \frac{307}{100} \)

\( x = 3 \frac{7}{100} \)

Ответ: \( x = 3 \frac{7}{100} \)